HI20203 Ver la hoja de datos (PDF) - Intersil

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HI20203

8-Bit, 160 MSPS, Ultra High-Speed D/A Converter

Intersil 

HI20203

Typical Application Circuit

D7

D6

D5

D4

DIGITAL D3

DATA

(ECL)

D2

D1

D0

HI20203

D7 (MSB) (1)

D6 (2)

D5 (3)

D4 (4)

D3 (5)

D2 (6)

D1 (7)

D0 (8)

(9)

(28) AVSS

(27) VREF

.

1.5kΩ

1kΩ

~2.7V

2kΩ

(26) AVEE

0.047µF

TL431CP

-5.2V

1.0µF

(10)

(11)

75Ω COAX CABLE

(12)

(20) IOUT

D/A OUT

(18, 19, 21-25) NC

CLK

-1.3V

-5.2V

82Ω 82Ω

CLK (13)

CLK (14)

131Ω

131Ω

(17) DVSS

(16) COMPL

1.0µF

(15) DVEE

3.6kΩ

0.047µF

-5.2V

Functional Block Diagram

(LSB) D0

D1

D2

D3

D4

D5

D6

(MSB) D7

COMPL

CLK

CLK

INPUT

BUFFER

4 LSBs

CURRENT

CELLS

8-BIT

REGISTER

R2R

NETWORK

UPPER

4-BIT

ENCODER

CLOCK

BUFFER

15

15

SWITCHED

CURRENT

CELLS

BIAS CURRENT

GENERATOR

AVEE AVSS DVEE DVSS

10-2

IOUT

VREF

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